There are 25 elements found in living things. how many of these elements are found in some organisms but not at all?

Out of the 25 elements found in living things, 19 of them can be found in some organisms but not all.

There are 25 elements that living things on Earth need to survive. Out of all these 25 however, only 6 are needed by all living organisms universally. They include:

In conclusion, this means that 19 elements can be found in some living things but not all of them while 6 can be found in all of them.

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